Finding the Fourth Proportional to 8,151,117.63, 12,225,926.79 and 2,759,151.75
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Solution
The fourth proportional to 8,151,117.63, 12,225,926.79 and 2,759,151.75 is: 4,138,473.87
Step by Step Solution
- Step 1: Write the proportion equation
8,151,117.63 : 12,225,926.79 = 2,759,151.75 : x - Step 2: Convert to fraction form
8,151,117.63/12,225,926.79 = 2,759,151.75/x - Step 3: Cross multiply
8,151,117.63x = 12,225,926.79 × 2,759,151.75 - Step 4: Simplify right side
8,151,117.63x = 33,733,187,298,000.38 - Step 5: Solve for x
x = 33,733,187,298,000.38/8,151,117.63 - Step 6: Final answer
x = 4,138,473.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.